101-Mendelevium
Nuclide weight or level energy spin & parity abundance half-life sig(J32) sig(J33) sig(J40)
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Md-245 245.080786 +- 0.000329 (1/2-) 0.90MS 25
Md-245 m 3.00000E+02 keV 0.35S +23 -16
Md-246 246.081789 +- 0.000313 1.0S 4
Md-247 247.081522 +- 0.000222 1.12S 22
Md-247 0.26S
Md-248 248.082816 +- 0.000255 7S 3
Md-249 249.083008 +- 0.000240 24S 4
Md-249 m 1.00000E+02 keV (1/2-) 1.9S 9
Md-250 250.084416 +- 0.000323 52S 6
Md-251 251.084774350 +- 0.000020310 4.0M 5
Md-252 252.086432 +- 0.000140 4.8M +8 -5
Md-253 253.087145 +- 0.000034 12M 8
Md-254 254.089658 +- 0.000107 10M 3
Md-254 28M 8
Md-255 255.091084166 +- 0.000007113 (7/2-) 27M 2
Md-256 256.094052882 +- 0.000076104 (1-) 77M 2
Md-257 257.095542831 +- 0.000003005 (7/2-) 5.52H 5
Md-258 258.098432704 +- 0.000004973 (8-) 51.5D 3
Md-258 57.0M 9
Md-259 259.100512 +- 0.000215 (7/2-) 1.60H 6
Md-260 260.103653 +- 0.000340 27.8D 8
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